Question

ye Xd ka matlab kya hota h
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Answer 1

Actually XD is a chatting acronym. It is an emoji expressing mock and laugh when seen horizontal. Just rotate your mobile phone horizontally and u will understand by yourself

Answer 2

Answer:

LoL

$\cos( \sin( \tan( \tan( \cot( \tan( \sin( \\ g) ) ) ) ) ) )$